He Started Out With A Allergy And Was Prescribed Amoxicillin

he started out with a allergy and was prescribed amoxicillin plus cough syrup this lasted for about two weeks it wasn't clearing up so I went back another doctor prescribed a stronger anabiotic said it was allergy related to it should be done in another seven days I finished all my medicine yesterday today started out my knees were real floor sometimes I couldn't well they would just go out on the ankle started hurting and everything like my shoulders the backs of my legs are all starting to hurt from both I've tried hot but his eyes I can't sit down or get up without help